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Physics questions and answers

Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

406.

Which of the following is consistent with Charles' law?

A.

I

B.

II

C.

III

D.

IV

Correct answer is A

This is the correct graph. The graph is volume against temperature where temperature is in Celsius.

408.

A convex mirror is used as a driving mirror because 

I. its image is erect     

II. It has a large field of view

III. It has a long focal length 

Identify the CORRECT statement(s) 

A.

I and III only

B.

I and II only

C.

II and IIII only

D.

I, II and III only

Correct answer is B

No explanation has been provided for this answer.

409.

When a sound wave passes from air into water its 

A.

speed and frequency increases but its wavelength remains the same

B.

speed and wavelength increases but its frequency remains the same

C.

speed decreases

D.

speed increases but its frequency and wavelength decreases

Correct answer is B

No explanation has been provided for this answer.